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Specifying File Sets

Mercurial supports a functional language for selecting a set of
files.

Like other file patterns, this pattern type is indicated by a prefix,
'set:'. The language supports a number of predicates which are joined
by infix operators. Parenthesis can be used for grouping.

Identifiers such as filenames or patterns must be quoted with single
or double quotes if they contain characters outside of
"[.*{}[]?/\_a-zA-Z0-9\x80-\xff]" or if they match one of the
predefined predicates. This generally applies to file patterns other
than globs and arguments for predicates.

Special characters can be used in quoted identifiers by escaping them,
e.g., "\n" is interpreted as a newline. To prevent them from being
interpreted, strings can be prefixed with "r", e.g. "r'...'".

See also 'hg help patterns'.

Operators

There is a single prefix operator:

"not x"

Files not in x. Short form is "! x".

These are the supported infix operators:

"x and y"

The intersection of files in x and y. Short form is "x & y".

"x or y"

The union of files in x and y. There are two alternative short forms: "x | y" and "x + y".

"x - y"

Files in x but not in y.

Predicates

The following predicates are supported:

"added()"

File that is added according to 'hg status'.

"binary()"

File that appears to be binary (contains NUL bytes).

"clean()"

File that is clean according to 'hg status'.

"copied()"

File that is recorded as being copied.

"deleted()"

Alias for "missing()".

"encoding(name)"

File can be successfully decoded with the given character encoding. May not be useful for encodings other than ASCII and UTF-8.